And that, they said, could lead to even worse academic performance.

Taking his frustration out on others and saying the wrong thing after a bad performance?

It must have been United's worst performance of the season.

We ended up winning 4-1 so not a bad performance.

That would be the company's worst performance in more than 10 years.

The company lost $5.5 billion last year, its worst performance since 1992.

Sometimes they really are: that is called a bad performance.

If either of them ever gave a bad performance, I missed the film.

They shot 27.8 percent, their worst performance of the season.

Of course, it is possible to create a 10-liter engine that has really bad performance.